func (s *normalStrategy) handle(rawData [][]byte, _ []ds.Property, key *ds.Key, gc func() (ds.Cursor, error)) error {
rawKey := rawData[len(rawData)-1]
if !s.dedup.Add(string(rawKey)) {
return nil
}
rawEnt := s.head.Get(rawKey)
if rawEnt == nil {
// entity doesn't exist at head
return nil
}
pm, err := serialize.ReadPropertyMap(bytes.NewBuffer(rawEnt), serialize.WithoutContext, s.aid, s.ns)
memoryCorruption(err)
return s.cb(key, pm, gc)
}
func decodeItemValue(val []byte, ns, aid string) (ds.PropertyMap, error) {
if len(val) == 0 {
return nil, ds.ErrNoSuchEntity
}
buf := bytes.NewBuffer(val)
compTypeByte, err := buf.ReadByte()
if err != nil {
return nil, err
}
if CompressionType(compTypeByte) == ZlibCompression {
reader, err := zlib.NewReader(buf)
if err != nil {
return nil, err
}
defer reader.Close()
data, err := ioutil.ReadAll(reader)
if err != nil {
return nil, err
}
buf = bytes.NewBuffer(data)
}
return serialize.ReadPropertyMap(buf, serialize.WithoutContext, ns, aid)
}
func rpm(data []byte) (ds.PropertyMap, error) {
return serialize.ReadPropertyMap(bytes.NewBuffer(data),
serialize.WithContext, "", "")
}